GMC-I Messtechnik GmbH
R2500–43
Error Messages
Responses in the event of an error:
1. Alarm output A1 is activated; its performance is determined by the configuration (see page 17).
2. LED A1 blinks at all levels, but the error message only appears at the operating level (upper display blinks).
3. Exceptions and additional information are included in the following table:
Display
Error Message Source
Response
Remedy
sensor error high
sensor error low
Broken sensor or
actual value > upper range limit
Sensor polarity reversed or
actual value < lower range limit
1
Heating current
display
current error
Current transformer has reversed
polarity, is unsuitable or defective
Same as heating current monitoring alarm, continues to
control temperature
2
no tune
Self-tuning cannot be started (controller
sort: “actuator” or “limit transducer”).
No response to error, error display remains until
acknowledged (see below).
–
tune error 2
Disturbance in self-tuning sequence in
step 1 ... 9 (in this case step 2)
Control outputs inactive, self-tuning must be aborted with
the
and
keys.
3
Controller Sort
Manipulating Factor Read-Out
2 or 3-step
YSE
= –100/0/100%
YSE
–100/0/100%
–100/0/100%
If the controller has settled in:
last “plausible” manip. factor,
If not:
YSE
Step
Control outputs inactive
On/Off ctrl.
YSE
Actuator
No response to error
Summary of Contents for R2500
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